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Continuous-time quantum Monte Carlo method for fermions

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Rubtsov, A. N., Savkin, V. V., Lichtenstein, A. I.·2005·Physical Review B

Abstract

We present a numerically exact continuous-time quantum Monte Carlo algorithm for fermions with a general interaction nonlocal in space-time. The new determinantal grand-canonical scheme is based on a stochastic series expansion for the partition function in the interaction representation. The method is particularly applicable for multiband, time-dependent correlations since it does not invoke the Hubbard-Stratonovich transformation. The test calculations for exactly solvable models, as well results for the Green function and for the time-dependent susceptibility of the multiband supersymmetric model with a spin-flip interaction are discussed.

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Metadata

Authors
Rubtsov, A. N., Savkin, V. V., & Lichtenstein, A. I.
Venue
Physical Review B
Published
2005-07-18
Volume
72
Issue
3
ISSN
  • 1098-0121 (ISSN-L)
  • 1550-235X
OpenAlex
W2038941806
Cited by
662
References
0
FWCI
8.40
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Continuous-time quantum Monte Carlo method for fermions. https://app.cochat.ai/papers/10.1103/physrevb.72.035122
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Rubtsov, A. N., Savkin, V. V., & Lichtenstein, A. I. (2005). Continuous-time quantum Monte Carlo method for fermions. Physical Review B. https://doi.org/10.1103/physrevb.72.035122

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